Curated reference links for Network Architectures
Whether you are preparing for a network design certification, architecting your first data center fabric, or simply curious how Google and Meta build networks at planetary scale — this post collects the best reference links for six major network architecture domains, organized from vendor design guides to real-world engineering papers. 1. Enterprise Network Architecture Enterprise (campus) networks follow the classic hierarchical model: access , distribution , and core layers, with two-tier "collapsed core" variants for smaller sites. Cisco Enterprise Campus Infrastructure Design Guide (PDF) — consolidated best practices across access, distribution, and core layers. Cisco Enterprise Campus 3.0 Architecture: Overview and Framework — design criteria, topologies, and campus services. CCDE Study Guide: Enterprise Campus Architecture Design (free Cisco Press chapter) — hierarchical design models, modularity, Layer 3 routing considerations, and cam...